body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    height: 100%;
    width: 100%;
}

.container {
    display: flex;
    height: 100%;
    width: 100%;
}

.sidebar {
    width: 250px;
    background-color: #e3f2fd;
    color: #333;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    text-align: center;
    margin-bottom: 30px;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    display: block;
    color: #333;
    text-decoration: none;
    padding: 10px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.sidebar ul li a:hover, .sidebar ul li a.active {
    background-color: #bbdefb;
}

.content {
    flex-grow: 1;
    padding: 20px;
    background-color: #f8f9fa;
    height: 100vh;
    overflow-y: auto;
}

header {
    background-color: #bbdefb;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
}

h1, h2 {
    color: #1565c0;
    margin: 0;
}

.login-container {
    width: 300px;
    margin: 100px auto;
    padding: 20px;
    border: 1px solid #bbdefb;
    border-radius: 5px;
    background-color: #e3f2fd;
}

.login-container input[type="text"],
.login-container input[type="password"] {
    width: calc(100% - 20px);
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #bbdefb;
    border-radius: 3px;
}

.btn, .login-container button {
    display: inline-block;
    padding: 10px 15px;
    background-color: #1565c0;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover, .login-container button:hover {
    background-color: #0d47a1;
}

.btn-small {
    padding: 5px 10px;
    font-size: 0.9em;
}

.btn-danger {
    background-color: #d32f2f;
}

.btn-danger:hover {
    background-color: #b71c1c;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.table th, .table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.table th {
    background-color: #bbdefb;
    color: #333;
}

.table tr:nth-child(even) {
    background-color: #f2f2f2;
}

.table tr:hover {
    background-color: #e3f2fd;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="black" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position-x: 98%;
    background-position-y: 50%;
    background-color: #fff;
}

.form-group select::-ms-expand {
    display: none;
}

.form-group select:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}

.form-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.half-width {
    width: 48%;
}

.full-width {
    width: 100%;
}

#resim-onizleme {
    display: block;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.message {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error, .error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.okul-bilgi {
    background-color: #e3f2fd;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.okul-bilgi p {
    margin: 5px 0;
}

/* Responsive tasarım için */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }

    .form-row .form-group {
        width: 100%;
    }
}
.total-personel {
    margin-left: 20px;
    font-weight: bold;
    color: #1565c0;
}
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.total-personel {
    font-weight: bold;
    color: #1565c0;
}

.message {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.form-column {
    width: 48%;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="file"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#resim-onizleme {
    display: block;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.form-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.form-column {
    display: flex;
    flex-direction: column;
}

.form-column-wide {
    width: 65%;
}

.form-column-narrow {
    width: 30%;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

#resim-onizleme {
    max-width: 100%;
    height: auto;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}